import AppKit
@testable import ConjureKit
import Testing


@Test @MainActor
func globalShortcutKeepsLegacyStorageAndScopesCustomStorage() throws {
    let suite = "GlobalShortcutsTests.\(UUID().uuidString)"
    let defaults = try #require(UserDefaults(suiteName: suite))
    defer { defaults.removePersistentDomain(forName: suite) }
    let commandShiftSpace = try #require(KeyboardShortcut(keyCode: 49, modifiers: [.command, .shift]))
    defaults.set(KeyboardShortcut.commandSpace.storedValue, forKey: "globalActivationShortcut")
    defaults.set(commandShiftSpace.storedValue, forKey: "customShortcut")

    let legacy = GlobalShortcut(defaults: defaults) {}
    let custom = GlobalShortcut(defaults: defaults, storageKey: "customShortcut") {}
    #expect(legacy.shortcut == .commandSpace)
    #expect(custom.shortcut == commandShiftSpace)
    try custom.setShortcut(nil)
    #expect(defaults.object(forKey: "customShortcut") == nil)
    #expect(KeyboardShortcut(storedValue: defaults.object(forKey: "globalActivationShortcut")) == .commandSpace)
    #expect(GlobalShortcut(defaults: defaults, action: {}).shortcut == .commandSpace)
}

@Test @MainActor
func duplicateGlobalBindingIsRejectedWhileSuspendedWithoutChangingSavedBinding() throws {
    let suite = "GlobalShortcutsTests.\(UUID().uuidString)"
    let defaults = try #require(UserDefaults(suiteName: suite))
    defer { defaults.removePersistentDomain(forName: suite) }
    let candidate = try #require(KeyboardShortcut(keyCode: 49, modifiers: [.command, .shift]))
    let previous = try #require(KeyboardShortcut(keyCode: 49, modifiers: [.control, .option]))
    let emojiIndex = try #require(GlobalShortcuts.destinations.firstIndex(of: .command(.emoji)))
    defaults.set(candidate.storedValue, forKey: "globalActivationShortcut")
    defaults.set(previous.storedValue, forKey: "globalCommandShortcut.emoji")
    let shortcuts = GlobalShortcuts(defaults: defaults) { _ in }
    shortcuts.suspend()

    do {
        try shortcuts.setShortcut(candidate, at: emojiIndex)
        Issue.record("A duplicate shortcut was accepted")
    } catch {
        #expect(error.localizedDescription.contains("Applications"))
        #expect(error.localizedDescription.contains("already assigned"))
    }
    let commandReturn = try #require(KeyboardShortcut(keyCode: 36, modifiers: .command))
    do {
        try shortcuts.setShortcut(commandReturn, at: emojiIndex)
        Issue.record("A Conjure action shortcut was accepted")
    } catch {
        #expect(error.localizedDescription.contains("already used by Conjure"))
        #expect(error.localizedDescription.contains("confirm uninstall"))
    }
    #expect(shortcuts.bindings[emojiIndex].shortcut == previous)
    #expect(KeyboardShortcut(storedValue: defaults.object(forKey: "globalCommandShortcut.emoji")) == previous)
    #expect(shortcuts.bindings.allSatisfy { !$0.isRegistered })
    try shortcuts.validate(candidate, at: 0)

    try shortcuts.setShortcut(nil, at: emojiIndex)
    let restored = GlobalShortcuts(defaults: defaults) { _ in }
    #expect(restored.bindings[0].shortcut == candidate)
    #expect(restored.bindings[emojiIndex].shortcut == nil)
}

@Test @MainActor
func localShortcutConflictsMatchMenusActionsAndPanelNavigation() throws {
    let commandKey = try #require(KeyboardShortcut(keyCode: 0, modifiers: .command))
    for key in [",", "h", "q", "w", "x", "c", "v", "a", "m", "k", "Return", "1", "9"] {
        #expect(GlobalShortcuts.localAction(for: commandKey, keyName: key) != nil)
    }
    #expect(GlobalShortcuts.localAction(for: commandKey, keyName: "0") == nil)
    let hideOthers = try #require(KeyboardShortcut(keyCode: 0, modifiers: [.command, .option]))
    #expect(GlobalShortcuts.localAction(for: hideOthers, keyName: "H") == "Hide Others")
    let controlKey = try #require(KeyboardShortcut(keyCode: 0, modifiers: .control))
    for key in ["h", "j", "k", "l"] {
        #expect(GlobalShortcuts.localAction(for: controlKey, keyName: key) != nil)
    }
    let commandShiftSpace = try #require(KeyboardShortcut(keyCode: 49, modifiers: [.command, .shift]))
    #expect(GlobalShortcuts.localAction(for: commandShiftSpace, keyName: "Space") == nil)
    let commandShiftK = try #require(KeyboardShortcut(keyCode: 40, modifiers: [.command, .shift]))
    #expect(GlobalShortcuts.localAction(for: commandShiftK, keyName: "K") == nil)
}

@Test @MainActor
func startupReportsEveryInvalidSavedBindingWithoutDiscardingThem() throws {
    let suite = "GlobalShortcutsTests.\(UUID().uuidString)"
    let defaults = try #require(UserDefaults(suiteName: suite))
    defer { defaults.removePersistentDomain(forName: suite) }
    let commandReturn = try #require(KeyboardShortcut(keyCode: 36, modifiers: .command))
    defaults.set("invalid", forKey: "globalActivationShortcut")
    defaults.set(commandReturn.storedValue, forKey: "globalCommandShortcut.translate")
    defaults.set(["keyCode": -1, "modifiers": 0], forKey: "globalCommandShortcut.emoji")
    let shortcuts = GlobalShortcuts(defaults: defaults) { _ in }

    let errors = shortcuts.start()
    #expect(errors.count == 3)
    #expect(errors[0].hasPrefix("Applications:"))
    #expect(errors[1].hasPrefix("Conjure Translate:"))
    #expect(errors[1].contains("already used by Conjure"))
    #expect(errors[2].hasPrefix("Conjure Emoji:"))
    #expect(defaults.string(forKey: "globalActivationShortcut") == "invalid")
    #expect(KeyboardShortcut(storedValue: defaults.object(forKey: "globalCommandShortcut.translate")) == commandReturn)
    #expect(defaults.object(forKey: "globalCommandShortcut.emoji") != nil)
    #expect(shortcuts.bindings.allSatisfy { !$0.isRegistered })
}

@Test @MainActor
func startupRejectsEveryDuplicateEvenBeforeNativeRegistration() throws {
    let suite = "GlobalShortcutsTests.\(UUID().uuidString)"
    let defaults = try #require(UserDefaults(suiteName: suite))
    defer { defaults.removePersistentDomain(forName: suite) }
    let candidate = try #require(KeyboardShortcut(keyCode: 49, modifiers: [.command, .shift]))
    defaults.set(candidate.storedValue, forKey: "globalActivationShortcut")
    defaults.set(candidate.storedValue, forKey: "globalCommandShortcut.emoji")
    let shortcuts = GlobalShortcuts(defaults: defaults) { _ in }

    let errors = shortcuts.start()
    #expect(errors.count == 2)
    #expect(errors[0].contains("Conjure Emoji"))
    #expect(errors[1].contains("Applications"))
    #expect(shortcuts.bindings.allSatisfy { !$0.isRegistered })
}